0 New HSK word(s):

0 Old HSK word(s):

格鲁门公司 [ge2 lu3 men2 gong1 si1]

Grumman Aerospace Corporation (S, Org)
诺斯洛普格鲁门公司 [nuo4 si1 luo4 pu3 ge2 lu3 men2 gong1 si1]

Northrop Grumman (Org)